Saas - Zend Framework(ZF)

• The Zend Framework is a full stack, object oriented, web development framework .
  • Began in late 2005
  • It consists of a library of components covering most of the used functionalities on the web such as form creation, authentication, access control lists, input validation, search and so on.
  • It is primarily a Model View Controller (MVC) architecture.
  • It also features a Use-at-will architecture: Users can use the framework out of the box or just use components of the framework as needed.
  • Sponsored by Zend, the official PHP company.
  • Very active developer community.
  • All code developed go through rigorous testing before being deployed in a release.